| Middlesex to Oststeinbek | 3,840.95 mi (6,181.41 km) |
| Middlesex to Ottendorf-Okrilla | 4,050.49 mi (6,518.63 km) |
| Middlesex to Ottersberg | 3,814.62 mi (6,139.04 km) |
| Middlesex to Ottobrunn | 4,063.75 mi (6,539.97 km) |
| Middlesex to Ottweiler | 3,840.04 mi (6,179.95 km) |
| Middlesex to Overath | 3,801.14 mi (6,117.35 km) |
| Middlesex to Oyten | 3,810.63 mi (6,132.62 km) |
| Middlesex to Paderborn | 3,837.40 mi (6,175.70 km) |
| Middlesex to Papenburg | 3,748.48 mi (6,032.59 km) |
| Middlesex to Parchim | 3,907.10 mi (6,287.87 km) |
| Middlesex to Pasewalk | 3,985.17 mi (6,413.52 km) |
| Middlesex to Passau | 4,120.20 mi (6,630.83 km) |
| Middlesex to Pattensen | 3,861.37 mi (6,214.28 km) |
| Middlesex to Pegnitz | 4,005.56 mi (6,446.32 km) |
| Middlesex to Peine | 3,877.85 mi (6,240.79 km) |
