| Knoxville to Cabestany | 4,456.89 mi (7,172.68 km) |
| Knoxville to Cabries | 4,542.77 mi (7,310.88 km) |
| Knoxville to Cachan | 4,252.40 mi (6,843.58 km) |
| Knoxville to Caen | 4,128.91 mi (6,644.83 km) |
| Knoxville to Cagnes-sur-Mer | 4,613.88 mi (7,425.33 km) |
| Knoxville to Cahors | 4,336.24 mi (6,978.51 km) |
| Knoxville to Calais | 4,175.64 mi (6,720.05 km) |
| Knoxville to Caluire-et-Cuire | 4,446.06 mi (7,155.25 km) |
| Knoxville to Cambrai | 4,251.97 mi (6,842.89 km) |
| Knoxville to Canet-en-Roussillon | 4,459.05 mi (7,176.15 km) |
| Knoxville to Cannes | 4,611.59 mi (7,421.63 km) |
| Knoxville to Canteleu | 4,180.77 mi (6,728.30 km) |
| Knoxville to Capbreton | 4,229.07 mi (6,806.03 km) |
| Knoxville to Carcassonne | 4,413.85 mi (7,103.40 km) |
| Knoxville to Carmaux | 4,380.08 mi (7,049.06 km) |
