| South Portland to Chaudfontaine | 3,443.99 mi (5,542.57 km) |
| South Portland to Chaumont-Gistoux | 3,403.41 mi (5,477.26 km) |
| South Portland to Chimay | 3,405.04 mi (5,479.89 km) |
| South Portland to Ciney | 3,430.16 mi (5,520.30 km) |
| South Portland to Colfontaine | 3,376.59 mi (5,434.09 km) |
| South Portland to Courcelles | 3,396.51 mi (5,466.16 km) |
| South Portland to Court-Saint-Etienne | 3,399.58 mi (5,471.10 km) |
| South Portland to Couvin | 3,411.85 mi (5,490.84 km) |
| South Portland to Damme | 3,331.81 mi (5,362.03 km) |
| South Portland to De Haan | 3,321.17 mi (5,344.91 km) |
| South Portland to De Panne | 3,307.60 mi (5,323.07 km) |
| South Portland to De Pinte | 3,352.95 mi (5,396.06 km) |
| South Portland to Deerlijk | 3,344.72 mi (5,382.81 km) |
| South Portland to Deinze | 3,348.67 mi (5,389.17 km) |
| South Portland to Denderleeuw | 3,373.47 mi (5,429.07 km) |
