| South Portland to Budva | 4,270.68 mi (6,873.00 km) |
| South Portland to Cetinje | 4,270.31 mi (6,872.40 km) |
| South Portland to Danilovgrad | 4,266.68 mi (6,866.56 km) |
| South Portland to Golubovci | 4,284.90 mi (6,895.88 km) |
| South Portland to Gusinje | 4,301.28 mi (6,922.23 km) |
| South Portland to Herceg Novi | 4,251.13 mi (6,841.53 km) |
| South Portland to Kolasin | 4,277.95 mi (6,884.69 km) |
| South Portland to Kotor | 4,262.05 mi (6,859.11 km) |
| South Portland to Mojkovac | 4,274.95 mi (6,879.87 km) |
| South Portland to Niksic | 4,255.91 mi (6,849.22 km) |
| South Portland to Petnjica | 4,292.91 mi (6,908.78 km) |
| South Portland to Plav | 4,304.17 mi (6,926.90 km) |
| South Portland to Pljevlja | 4,250.16 mi (6,839.97 km) |
| South Portland to Pluzine | 4,236.33 mi (6,817.72 km) |
| South Portland to Podgorica | 4,282.24 mi (6,891.60 km) |
