| Strongsville to Nuth | 4,000.84 mi (6,438.72 km) |
| Strongsville to Oegstgeest | 3,907.01 mi (6,287.73 km) |
| Strongsville to Oirschot | 3,959.92 mi (6,372.87 km) |
| Strongsville to Oisterwijk | 3,953.48 mi (6,362.51 km) |
| Strongsville to Oldebroek | 3,953.03 mi (6,361.79 km) |
| Strongsville to Oldenzaal | 3,996.01 mi (6,430.96 km) |
| Strongsville to Ommen | 3,970.33 mi (6,389.63 km) |
| Strongsville to Oosterend | 3,942.09 mi (6,344.17 km) |
| Strongsville to Oosterhout | 3,938.47 mi (6,338.36 km) |
| Strongsville to Oosterwolde | 3,950.86 mi (6,358.30 km) |
| Strongsville to Oostzaan | 3,915.22 mi (6,300.93 km) |
| Strongsville to Opmeer | 3,909.62 mi (6,291.93 km) |
| Strongsville to Oss | 3,959.85 mi (6,372.76 km) |
| Strongsville to Oud-Beijerland | 3,915.63 mi (6,301.59 km) |
| Strongsville to Oudenbosch | 3,927.36 mi (6,320.47 km) |
