| Opelika to Celano | 5,157.95 mi (8,300.91 km) |
| Opelika to Cento | 4,968.71 mi (7,996.36 km) |
| Opelika to Cepagatti | 5,170.55 mi (8,321.20 km) |
| Opelika to Ceprano | 5,174.92 mi (8,328.24 km) |
| Opelika to Cercola | 5,236.31 mi (8,427.03 km) |
| Opelika to Cerea | 4,950.55 mi (7,967.14 km) |
| Opelika to Cerese | 4,935.36 mi (7,942.70 km) |
| Opelika to Cerignola | 5,290.69 mi (8,514.54 km) |
| Opelika to Cermenate | 4,842.88 mi (7,793.86 km) |
| Opelika to Cernusco sul Naviglio | 4,859.38 mi (7,820.42 km) |
| Opelika to Cerreto Guidi | 4,983.08 mi (8,019.49 km) |
| Opelika to Cerro Maggiore | 4,840.24 mi (7,789.62 km) |
| Opelika to Certaldo | 4,997.23 mi (8,042.27 km) |
| Opelika to Cerveteri | 5,096.17 mi (8,201.49 km) |
| Opelika to Cervia | 5,030.83 mi (8,096.33 km) |
