| Knoxville to Busto Arsizio | 4,623.53 mi (7,440.84 km) |
| Knoxville to Busto Garolfo | 4,627.13 mi (7,446.64 km) |
| Knoxville to Cabras | 4,802.30 mi (7,728.56 km) |
| Knoxville to Cadelbosco di Sopra | 4,726.32 mi (7,606.27 km) |
| Knoxville to Cadoneghe | 4,758.93 mi (7,658.75 km) |
| Knoxville to Cagli | 4,856.56 mi (7,815.88 km) |
| Knoxville to Cagliari | 4,853.59 mi (7,811.09 km) |
| Knoxville to Cairo Montenotte | 4,638.47 mi (7,464.90 km) |
| Knoxville to Caivano | 5,023.64 mi (8,084.77 km) |
| Knoxville to Calcinaia | 4,764.46 mi (7,667.66 km) |
| Knoxville to Calcinato | 4,694.84 mi (7,555.61 km) |
| Knoxville to Calderara di Reno | 4,761.60 mi (7,663.05 km) |
| Knoxville to Caldogno | 4,735.35 mi (7,620.81 km) |
| Knoxville to Calenzano | 4,781.75 mi (7,695.49 km) |
| Knoxville to Calolziocorte | 4,641.92 mi (7,470.45 km) |
