| South Portland to Zilina | 4,004.60 mi (6,444.78 km) |
| South Portland to Zlate Moravce | 4,021.78 mi (6,472.43 km) |
| South Portland to Zvolen | 4,042.84 mi (6,506.33 km) |
| South Portland to Ajdovscina | 3,930.38 mi (6,325.33 km) |
| South Portland to Ankaran | 3,934.10 mi (6,331.32 km) |
| South Portland to Apace | 3,983.47 mi (6,410.77 km) |
| South Portland to Beltinci | 3,999.76 mi (6,436.99 km) |
| South Portland to Benedikt | 3,985.61 mi (6,414.22 km) |
| South Portland to Bistrica ob Sotli | 3,996.36 mi (6,431.51 km) |
| South Portland to Bled | 3,921.80 mi (6,311.53 km) |
| South Portland to Bohinjska Bistrica | 3,918.48 mi (6,306.19 km) |
| South Portland to Borovnica | 3,947.67 mi (6,353.15 km) |
| South Portland to Bovec | 3,899.78 mi (6,276.09 km) |
| South Portland to Braslovce | 3,962.54 mi (6,377.09 km) |
| South Portland to Brezice | 3,998.97 mi (6,435.72 km) |
