| South Portland to Crvenka | 4,165.06 mi (6,703.02 km) |
| South Portland to Cuprija | 4,310.20 mi (6,936.59 km) |
| South Portland to Despotovac | 4,306.43 mi (6,930.54 km) |
| South Portland to Dimitrovgrad | 4,404.36 mi (7,088.13 km) |
| South Portland to Dobanovci | 4,228.27 mi (6,804.75 km) |
| South Portland to Doljevac | 4,358.29 mi (7,014.00 km) |
| South Portland to Futog | 4,191.89 mi (6,746.20 km) |
| South Portland to Gadzin Han | 4,365.20 mi (7,025.11 km) |
| South Portland to Golubac | 4,291.80 mi (6,906.98 km) |
| South Portland to Gornji Milanovac | 4,269.14 mi (6,870.52 km) |
| South Portland to Indija | 4,213.78 mi (6,781.43 km) |
| South Portland to Irig | 4,202.42 mi (6,763.14 km) |
| South Portland to Ivanjica | 4,277.25 mi (6,883.56 km) |
| South Portland to Jagodina | 4,303.57 mi (6,925.92 km) |
| South Portland to Kac | 4,198.73 mi (6,757.21 km) |
