| Montecatini Terme to Clarkston (Georgia) | 4,872.70 mi (7,841.85 km) |
| Montecatini Terme to Clarksville (Indiana) | 4,737.40 mi (7,624.10 km) |
| Montecatini Terme to Clarksville (Tennessee) | 4,881.57 mi (7,856.12 km) |
| Montecatini Terme to Clawson (Michigan) | 4,448.60 mi (7,159.33 km) |
| Montecatini Terme to Clay (Alabama) | 4,980.90 mi (8,015.98 km) |
| Montecatini Terme to Clayton (California) | 6,057.21 mi (9,748.13 km) |
| Montecatini Terme to Clayton (Missouri) | 4,910.13 mi (7,902.09 km) |
| Montecatini Terme to Clayton (North Carolina) | 4,537.05 mi (7,301.68 km) |
| Montecatini Terme to Clayton (Ohio) | 4,610.11 mi (7,419.26 km) |
| Montecatini Terme to Clearfield (Utah) | 5,576.08 mi (8,973.83 km) |
| Montecatini Terme to Clearlake (California) | 6,017.46 mi (9,684.17 km) |
| Montecatini Terme to Clearwater (Florida) | 5,070.25 mi (8,159.78 km) |
| Montecatini Terme to Cleburne (Texas) | 5,498.05 mi (8,848.26 km) |
| Montecatini Terme to Clemmons (North Carolina) | 4,606.63 mi (7,413.65 km) |
| Montecatini Terme to Clemson (South Carolina) | 4,771.50 mi (7,678.99 km) |
