| Knoxville to Cassina de' Pecchi | 4,648.54 mi (7,481.10 km) |
| Knoxville to Cassino | 4,982.68 mi (8,018.84 km) |
| Knoxville to Castagneto Carducci | 4,781.73 mi (7,695.44 km) |
| Knoxville to Castano Primo | 4,621.95 mi (7,438.31 km) |
| Knoxville to Castel Bolognese | 4,793.03 mi (7,713.64 km) |
| Knoxville to Castel Gandolfo | 4,921.96 mi (7,921.13 km) |
| Knoxville to Castel Goffredo | 4,702.83 mi (7,568.48 km) |
| Knoxville to Castel Maggiore | 4,765.85 mi (7,669.89 km) |
| Knoxville to Castel Mella | 4,682.25 mi (7,535.35 km) |
| Knoxville to Castel San Giorgio | 5,047.44 mi (8,123.07 km) |
| Knoxville to Castel San Giovanni | 4,666.98 mi (7,510.77 km) |
| Knoxville to Castel San Pietro Terme | 4,780.89 mi (7,694.09 km) |
| Knoxville to Castel Volturno | 5,003.10 mi (8,051.72 km) |
| Knoxville to Castelbuono | 5,129.18 mi (8,254.62 km) |
| Knoxville to Casteldaccia | 5,098.99 mi (8,206.04 km) |
