| Opelika to Carpentras | 4,714.72 mi (7,587.61 km) |
| Opelika to Carquefou | 4,337.62 mi (6,980.72 km) |
| Opelika to Carqueiranne | 4,789.55 mi (7,708.04 km) |
| Opelika to Carrieres-sous-Poissy | 4,450.41 mi (7,162.24 km) |
| Opelika to Carrieres-sur-Seine | 4,461.92 mi (7,180.77 km) |
| Opelika to Carros | 4,819.41 mi (7,756.09 km) |
| Opelika to Carvin | 4,450.23 mi (7,161.96 km) |
| Opelika to Castanet-Tolosan | 4,568.23 mi (7,351.85 km) |
| Opelika to Castelginest | 4,560.40 mi (7,339.25 km) |
| Opelika to Castelnau-le-Lez | 4,674.91 mi (7,523.55 km) |
| Opelika to Castelnaudary | 4,594.64 mi (7,394.36 km) |
| Opelika to Castelsarrasin | 4,536.13 mi (7,300.20 km) |
| Opelika to Castres | 4,600.48 mi (7,403.75 km) |
| Opelika to Caudebec-les-Elbeuf | 4,399.22 mi (7,079.87 km) |
| Opelika to Caudry | 4,478.13 mi (7,206.85 km) |
