| Great Baddow to Nuth | 238.63 mi (384.04 km) |
| Great Baddow to Oegstgeest | 171.62 mi (276.20 km) |
| Great Baddow to Oirschot | 206.18 mi (331.81 km) |
| Great Baddow to Oisterwijk | 201.37 mi (324.07 km) |
| Great Baddow to Oldebroek | 234.42 mi (377.26 km) |
| Great Baddow to Oldenzaal | 276.26 mi (444.60 km) |
| Great Baddow to Ommen | 256.63 mi (413.01 km) |
| Great Baddow to Oosterend | 250.72 mi (403.50 km) |
| Great Baddow to Oosterhout | 186.40 mi (299.98 km) |
| Great Baddow to Oosterwolde | 259.34 mi (417.36 km) |
| Great Baddow to Oostzaan | 192.25 mi (309.40 km) |
| Great Baddow to Opmeer | 199.91 mi (321.72 km) |
| Great Baddow to Oss | 214.31 mi (344.90 km) |
| Great Baddow to Oud-Beijerland | 166.58 mi (268.08 km) |
| Great Baddow to Oudenbosch | 172.40 mi (277.45 km) |
