| Sighisoara to Nuth | 920.31 mi (1,481.09 km) |
| Sighisoara to Oegstgeest | 1,001.50 mi (1,611.76 km) |
| Sighisoara to Oirschot | 954.59 mi (1,536.26 km) |
| Sighisoara to Oisterwijk | 960.22 mi (1,545.33 km) |
| Sighisoara to Oldebroek | 949.50 mi (1,528.08 km) |
| Sighisoara to Oldenzaal | 905.41 mi (1,457.11 km) |
| Sighisoara to Ommen | 930.65 mi (1,497.73 km) |
| Sighisoara to Oosterend | 956.46 mi (1,539.28 km) |
| Sighisoara to Oosterhout | 975.51 mi (1,569.93 km) |
| Sighisoara to Oosterwolde | 947.44 mi (1,524.76 km) |
| Sighisoara to Oostzaan | 989.72 mi (1,592.80 km) |
| Sighisoara to Opmeer | 992.85 mi (1,597.84 km) |
| Sighisoara to Oss | 950.56 mi (1,529.77 km) |
| Sighisoara to Oud-Beijerland | 997.47 mi (1,605.28 km) |
| Sighisoara to Oudenbosch | 988.42 mi (1,590.71 km) |
