| Middlesex to Oschatz | 4,018.98 mi (6,467.92 km) |
| Middlesex to Oschersleben | 3,925.74 mi (6,317.88 km) |
| Middlesex to Osnabruck | 3,794.39 mi (6,106.48 km) |
| Middlesex to Ostbevern | 3,793.03 mi (6,104.30 km) |
| Middlesex to Osterburg | 3,923.00 mi (6,313.46 km) |
| Middlesex to Ostercappeln | 3,799.71 mi (6,115.04 km) |
| Middlesex to Osterhofen | 4,098.15 mi (6,595.33 km) |
| Middlesex to Osterholz-Scharmbeck | 3,798.12 mi (6,112.48 km) |
| Middlesex to Osternienburg | 3,961.69 mi (6,375.72 km) |
| Middlesex to Osterode | 3,895.55 mi (6,269.28 km) |
| Middlesex to Osterwieck | 3,906.64 mi (6,287.14 km) |
| Middlesex to Ostfildern | 3,944.03 mi (6,347.30 km) |
| Middlesex to Osthofen | 3,877.63 mi (6,240.44 km) |
| Middlesex to Ostrhauderfehn | 3,755.50 mi (6,043.90 km) |
| Middlesex to Ostringen | 3,907.46 mi (6,288.45 km) |
