| Alpena to Celano | 4,542.96 mi (7,311.19 km) |
| Alpena to Cento | 4,339.50 mi (6,983.76 km) |
| Alpena to Cepagatti | 4,550.57 mi (7,323.43 km) |
| Alpena to Ceprano | 4,565.09 mi (7,346.81 km) |
| Alpena to Cercola | 4,628.65 mi (7,449.10 km) |
| Alpena to Cerea | 4,317.26 mi (6,947.95 km) |
| Alpena to Cerese | 4,305.47 mi (6,928.99 km) |
| Alpena to Cerignola | 4,671.71 mi (7,518.39 km) |
| Alpena to Cermenate | 4,213.79 mi (6,781.44 km) |
| Alpena to Cernusco sul Naviglio | 4,231.03 mi (6,809.18 km) |
| Alpena to Cerreto Guidi | 4,364.79 mi (7,024.45 km) |
| Alpena to Cerro Maggiore | 4,212.68 mi (6,779.65 km) |
| Alpena to Certaldo | 4,380.32 mi (7,049.44 km) |
| Alpena to Cerveteri | 4,489.00 mi (7,224.35 km) |
| Alpena to Cervia | 4,401.34 mi (7,083.28 km) |
