| Lowell to Oerlinghausen | 3,609.55 mi (5,809.01 km) |
| Lowell to Oestrich-Winkel | 3,638.58 mi (5,855.73 km) |
| Lowell to Offenburg | 3,680.81 mi (5,923.69 km) |
| Lowell to Oftersheim | 3,680.64 mi (5,923.42 km) |
| Lowell to Ohrdruf | 3,723.28 mi (5,992.04 km) |
| Lowell to Ohringen | 3,722.93 mi (5,991.47 km) |
| Lowell to Olbernhau | 3,830.07 mi (6,163.90 km) |
| Lowell to Olching | 3,828.01 mi (6,160.59 km) |
| Lowell to Oldenburg | 3,560.21 mi (5,729.60 km) |
| Lowell to Oldenburg in Holstein | 3,629.66 mi (5,841.38 km) |
| Lowell to Olfen | 3,566.08 mi (5,739.05 km) |
| Lowell to Olpe | 3,603.11 mi (5,798.64 km) |
| Lowell to Olsberg | 3,619.53 mi (5,825.08 km) |
| Lowell to Oranienburg | 3,761.98 mi (6,054.32 km) |
| Lowell to Ortenberg | 3,670.68 mi (5,907.38 km) |
