| Gadsden to Nuth | 4,516.26 mi (7,268.22 km) |
| Gadsden to Oegstgeest | 4,425.51 mi (7,122.17 km) |
| Gadsden to Oirschot | 4,476.82 mi (7,204.74 km) |
| Gadsden to Oisterwijk | 4,470.57 mi (7,194.69 km) |
| Gadsden to Oldebroek | 4,473.87 mi (7,200.00 km) |
| Gadsden to Oldenzaal | 4,517.42 mi (7,270.09 km) |
| Gadsden to Ommen | 4,491.90 mi (7,229.02 km) |
| Gadsden to Oosterend | 4,464.95 mi (7,185.64 km) |
| Gadsden to Oosterhout | 4,455.42 mi (7,170.31 km) |
| Gadsden to Oosterwolde | 4,473.89 mi (7,200.03 km) |
| Gadsden to Oostzaan | 4,435.00 mi (7,137.45 km) |
| Gadsden to Opmeer | 4,430.40 mi (7,130.04 km) |
| Gadsden to Oss | 4,477.93 mi (7,206.53 km) |
| Gadsden to Oud-Beijerland | 4,432.73 mi (7,133.79 km) |
| Gadsden to Oudenbosch | 4,443.76 mi (7,151.54 km) |
