| Knoxville to Celano | 4,948.96 mi (7,964.57 km) |
| Knoxville to Cento | 4,756.51 mi (7,654.86 km) |
| Knoxville to Cepagatti | 4,960.59 mi (7,983.30 km) |
| Knoxville to Ceprano | 4,967.01 mi (7,993.62 km) |
| Knoxville to Cercola | 5,028.97 mi (8,093.34 km) |
| Knoxville to Cerea | 4,737.51 mi (7,624.29 km) |
| Knoxville to Cerese | 4,722.96 mi (7,600.87 km) |
| Knoxville to Cerignola | 5,081.18 mi (8,177.36 km) |
| Knoxville to Cermenate | 4,630.44 mi (7,451.97 km) |
| Knoxville to Cernusco sul Naviglio | 4,647.12 mi (7,478.82 km) |
| Knoxville to Cerreto Guidi | 4,773.06 mi (7,681.49 km) |
| Knoxville to Cerro Maggiore | 4,628.09 mi (7,448.19 km) |
| Knoxville to Certaldo | 4,787.51 mi (7,704.76 km) |
| Knoxville to Cerveteri | 4,888.62 mi (7,867.47 km) |
| Knoxville to Cervia | 4,818.70 mi (7,754.95 km) |
