| Knoxville to Castelletto sopra Ticino | 4,610.80 mi (7,420.37 km) |
| Knoxville to Castelli Calepio | 4,667.20 mi (7,511.13 km) |
| Knoxville to Castelnovo ne' Monti | 4,729.23 mi (7,610.96 km) |
| Knoxville to Castelnuovo Berardenga | 4,814.56 mi (7,748.29 km) |
| Knoxville to Castelnuovo di Porto | 4,901.26 mi (7,887.82 km) |
| Knoxville to Castelnuovo di Verona | 4,710.53 mi (7,580.86 km) |
| Knoxville to Castelnuovo Rangone | 4,747.99 mi (7,641.14 km) |
| Knoxville to Castelvetrano | 5,079.07 mi (8,173.98 km) |
| Knoxville to Castelvetro di Modena | 4,750.43 mi (7,645.08 km) |
| Knoxville to Castenaso | 4,772.25 mi (7,680.20 km) |
| Knoxville to Castenedolo | 4,689.44 mi (7,546.93 km) |
| Knoxville to Castiglion Fiorentino | 4,832.56 mi (7,777.25 km) |
| Knoxville to Castiglione del Lago | 4,845.44 mi (7,797.98 km) |
| Knoxville to Castiglione delle Stiviere | 4,700.42 mi (7,564.59 km) |
| Knoxville to Castrolibero | 5,169.73 mi (8,319.88 km) |
