| Excelsior Springs to Oerlinghausen | 4,620.08 mi (7,435.30 km) |
| Excelsior Springs to Oestrich-Winkel | 4,674.41 mi (7,522.74 km) |
| Excelsior Springs to Offenburg | 4,733.37 mi (7,617.63 km) |
| Excelsior Springs to Oftersheim | 4,720.94 mi (7,597.62 km) |
| Excelsior Springs to Ohrdruf | 4,738.32 mi (7,625.59 km) |
| Excelsior Springs to Ohringen | 4,761.22 mi (7,662.45 km) |
| Excelsior Springs to Olbernhau | 4,835.34 mi (7,781.73 km) |
| Excelsior Springs to Olching | 4,868.97 mi (7,835.85 km) |
| Excelsior Springs to Oldenburg | 4,558.25 mi (7,335.80 km) |
| Excelsior Springs to Oldenburg in Holstein | 4,602.08 mi (7,406.34 km) |
| Excelsior Springs to Olfen | 4,584.77 mi (7,378.47 km) |
| Excelsior Springs to Olpe | 4,628.15 mi (7,448.29 km) |
| Excelsior Springs to Olsberg | 4,638.07 mi (7,464.25 km) |
| Excelsior Springs to Oranienburg | 4,743.35 mi (7,633.68 km) |
| Excelsior Springs to Ortenberg | 4,698.19 mi (7,561.00 km) |
