| Wabash to Oerlinghausen | 4,244.82 mi (6,831.38 km) |
| Wabash to Oestrich-Winkel | 4,290.01 mi (6,904.11 km) |
| Wabash to Offenburg | 4,342.96 mi (6,989.32 km) |
| Wabash to Oftersheim | 4,335.05 mi (6,976.60 km) |
| Wabash to Ohrdruf | 4,361.92 mi (7,019.83 km) |
| Wabash to Ohringen | 4,376.24 mi (7,042.88 km) |
| Wabash to Olbernhau | 4,463.00 mi (7,182.51 km) |
| Wabash to Olching | 4,483.40 mi (7,215.33 km) |
| Wabash to Oldenburg | 4,187.31 mi (6,738.82 km) |
| Wabash to Oldenburg in Holstein | 4,240.80 mi (6,824.91 km) |
| Wabash to Olfen | 4,206.34 mi (6,769.45 km) |
| Wabash to Olpe | 4,247.56 mi (6,835.79 km) |
| Wabash to Olsberg | 4,259.93 mi (6,855.70 km) |
| Wabash to Oranienburg | 4,379.48 mi (7,048.09 km) |
| Wabash to Ortenberg | 4,316.97 mi (6,947.50 km) |
