| Lowell to Cividale del Friuli | 3,984.99 mi (6,413.22 km) |
| Lowell to Civita Castellana | 4,075.48 mi (6,558.86 km) |
| Lowell to Civitanova Marche | 4,096.48 mi (6,592.65 km) |
| Lowell to Civitavecchia | 4,055.87 mi (6,527.29 km) |
| Lowell to Civitella in Val di Chiana | 4,005.52 mi (6,446.26 km) |
| Lowell to Clusone | 3,846.16 mi (6,189.80 km) |
| Lowell to Coccaglio | 3,857.88 mi (6,208.65 km) |
| Lowell to Codigoro | 3,973.36 mi (6,394.50 km) |
| Lowell to Codogno | 3,859.54 mi (6,211.33 km) |
| Lowell to Codroipo | 3,970.82 mi (6,390.41 km) |
| Lowell to Cogoleto | 3,839.41 mi (6,178.93 km) |
| Lowell to Colle di Val d'Elsa | 3,980.85 mi (6,406.55 km) |
| Lowell to Colle Salvetti | 3,945.73 mi (6,350.04 km) |
| Lowell to Collecchio | 3,895.12 mi (6,268.59 km) |
| Lowell to Colleferro | 4,122.42 mi (6,634.39 km) |
