| South Portland to Camardi | 5,125.31 mi (8,248.39 km) |
| South Portland to Camas | 5,075.81 mi (8,168.73 km) |
| South Portland to Camliyayla | 5,141.80 mi (8,274.92 km) |
| South Portland to Camoluk | 5,159.15 mi (8,302.85 km) |
| South Portland to Can | 4,705.18 mi (7,572.25 km) |
| South Portland to Canakkale | 4,673.44 mi (7,521.17 km) |
| South Portland to Cankaya | 4,944.30 mi (7,957.08 km) |
| South Portland to Cankiri | 4,941.75 mi (7,952.99 km) |
| South Portland to Cardak | 4,911.32 mi (7,904.00 km) |
| South Portland to Carsamba | 5,032.45 mi (8,098.95 km) |
| South Portland to Carsibasi | 5,137.00 mi (8,267.21 km) |
| South Portland to Cat | 5,268.44 mi (8,478.73 km) |
| South Portland to Catalagzi | 4,832.14 mi (7,776.58 km) |
| South Portland to Catalca | 4,713.60 mi (7,585.81 km) |
| South Portland to Catalpinar | 5,075.06 mi (8,167.52 km) |
