| Knoxville to Casamassima | 5,137.28 mi (8,267.65 km) |
| Knoxville to Casandrino | 5,022.08 mi (8,082.26 km) |
| Knoxville to Casapulla | 5,018.52 mi (8,076.53 km) |
| Knoxville to Casarano | 5,228.02 mi (8,413.69 km) |
| Knoxville to Casatenovo | 4,640.16 mi (7,467.62 km) |
| Knoxville to Casciana Terme | 4,769.96 mi (7,676.51 km) |
| Knoxville to Cascina | 4,761.58 mi (7,663.02 km) |
| Knoxville to Caselle Torinese | 4,586.22 mi (7,380.80 km) |
| Knoxville to Caserta | 5,020.71 mi (8,080.05 km) |
| Knoxville to Casier | 4,767.23 mi (7,672.12 km) |
| Knoxville to Casorate Primo | 4,640.31 mi (7,467.86 km) |
| Knoxville to Casoria | 5,025.52 mi (8,087.80 km) |
| Knoxville to Cassano al Ionio | 5,156.68 mi (8,298.87 km) |
| Knoxville to Cassano d'Adda | 4,654.34 mi (7,490.44 km) |
| Knoxville to Cassano delle Murge | 5,133.41 mi (8,261.43 km) |
