| Downham Market to Nuth | 262.05 mi (421.73 km) |
| Downham Market to Oegstgeest | 174.26 mi (280.45 km) |
| Downham Market to Oirschot | 221.99 mi (357.25 km) |
| Downham Market to Oisterwijk | 215.88 mi (347.43 km) |
| Downham Market to Oldebroek | 231.80 mi (373.05 km) |
| Downham Market to Oldenzaal | 276.08 mi (444.31 km) |
| Downham Market to Ommen | 253.15 mi (407.40 km) |
| Downham Market to Oosterend | 238.68 mi (384.13 km) |
| Downham Market to Oosterhout | 200.66 mi (322.93 km) |
| Downham Market to Oosterwolde | 247.95 mi (399.04 km) |
| Downham Market to Oostzaan | 189.24 mi (304.56 km) |
| Downham Market to Opmeer | 191.24 mi (307.77 km) |
| Downham Market to Oss | 224.63 mi (361.51 km) |
| Downham Market to Oud-Beijerland | 178.17 mi (286.74 km) |
| Downham Market to Oudenbosch | 188.83 mi (303.89 km) |
