| South Portland to Zierikzee | 3,347.09 mi (5,386.63 km) |
| South Portland to Zoetermeer | 3,359.74 mi (5,406.97 km) |
| South Portland to Zoeterwoude | 3,358.06 mi (5,404.27 km) |
| South Portland to Zuidhorn | 3,403.79 mi (5,477.88 km) |
| South Portland to Zuidlaren | 3,418.73 mi (5,501.91 km) |
| South Portland to Zundert | 3,381.71 mi (5,442.34 km) |
| South Portland to Zutphen | 3,424.58 mi (5,511.33 km) |
| South Portland to Zwijndrecht | 3,372.03 mi (5,426.76 km) |
| South Portland to Zwolle | 3,411.03 mi (5,489.52 km) |
| South Portland to Alesund | 3,202.27 mi (5,153.56 km) |
| South Portland to Alta | 3,505.64 mi (5,641.78 km) |
| South Portland to Arendal | 3,365.05 mi (5,415.52 km) |
| South Portland to As | 3,405.54 mi (5,480.68 km) |
| South Portland to Asker | 3,390.29 mi (5,456.14 km) |
| South Portland to Askim | 3,419.98 mi (5,503.92 km) |
