| Upper Montclair to Oschatz | 3,994.82 mi (6,429.04 km) |
| Upper Montclair to Oschersleben | 3,901.58 mi (6,278.98 km) |
| Upper Montclair to Osnabruck | 3,770.26 mi (6,067.65 km) |
| Upper Montclair to Ostbevern | 3,768.92 mi (6,065.49 km) |
| Upper Montclair to Osterburg | 3,898.78 mi (6,274.49 km) |
| Upper Montclair to Ostercappeln | 3,775.57 mi (6,076.19 km) |
| Upper Montclair to Osterhofen | 4,074.16 mi (6,556.73 km) |
| Upper Montclair to Osterholz-Scharmbeck | 3,773.92 mi (6,073.54 km) |
| Upper Montclair to Osternienburg | 3,937.52 mi (6,336.83 km) |
| Upper Montclair to Osterode | 3,871.41 mi (6,230.44 km) |
| Upper Montclair to Osterwieck | 3,882.49 mi (6,248.26 km) |
| Upper Montclair to Ostfildern | 3,920.14 mi (6,308.86 km) |
| Upper Montclair to Osthofen | 3,853.68 mi (6,201.91 km) |
| Upper Montclair to Ostrhauderfehn | 3,731.33 mi (6,004.99 km) |
| Upper Montclair to Ostringen | 3,883.55 mi (6,249.96 km) |
