| South Portland to Argostoli | 4,508.00 mi (7,254.92 km) |
| South Portland to Argyroupoli | 4,659.74 mi (7,499.13 km) |
| South Portland to Arta | 4,488.20 mi (7,223.06 km) |
| South Portland to Artemida | 4,667.51 mi (7,511.63 km) |
| South Portland to Aspropyrgos | 4,645.46 mi (7,476.15 km) |
| South Portland to Athens | 4,655.18 mi (7,491.79 km) |
| South Portland to Chaidari | 4,650.46 mi (7,484.18 km) |
| South Portland to Chalandri | 4,656.84 mi (7,494.46 km) |
| South Portland to Chalkida | 4,628.98 mi (7,449.62 km) |
| South Portland to Chania | 4,774.85 mi (7,684.38 km) |
| South Portland to Chios | 4,740.04 mi (7,628.36 km) |
| South Portland to Cholargos | 4,657.56 mi (7,495.62 km) |
| South Portland to Chrysoupoli | 4,567.62 mi (7,350.87 km) |
| South Portland to Dafni | 4,656.87 mi (7,494.52 km) |
| South Portland to Diavata | 4,503.75 mi (7,248.09 km) |
