| Keskin to Nuth | 1,542.19 mi (2,481.92 km) |
| Keskin to Oegstgeest | 1,629.26 mi (2,622.04 km) |
| Keskin to Oirschot | 1,579.56 mi (2,542.06 km) |
| Keskin to Oisterwijk | 1,585.57 mi (2,551.73 km) |
| Keskin to Oldebroek | 1,579.79 mi (2,542.43 km) |
| Keskin to Oldenzaal | 1,536.15 mi (2,472.20 km) |
| Keskin to Ommen | 1,561.65 mi (2,513.24 km) |
| Keskin to Oosterend | 1,588.73 mi (2,556.81 km) |
| Keskin to Oosterhout | 1,600.82 mi (2,576.27 km) |
| Keskin to Oosterwolde | 1,579.83 mi (2,542.50 km) |
| Keskin to Oostzaan | 1,619.00 mi (2,605.54 km) |
| Keskin to Opmeer | 1,623.26 mi (2,612.38 km) |
| Keskin to Oss | 1,577.29 mi (2,538.40 km) |
| Keskin to Oud-Beijerland | 1,623.27 mi (2,612.39 km) |
| Keskin to Oudenbosch | 1,613.04 mi (2,595.94 km) |
