| Upper Montclair to Oststeinbek | 3,816.72 mi (6,142.42 km) |
| Upper Montclair to Ottendorf-Okrilla | 4,026.32 mi (6,479.74 km) |
| Upper Montclair to Ottersberg | 3,790.42 mi (6,100.10 km) |
| Upper Montclair to Ottobrunn | 4,039.85 mi (6,501.51 km) |
| Upper Montclair to Ottweiler | 3,816.16 mi (6,141.51 km) |
| Upper Montclair to Overath | 3,777.12 mi (6,078.69 km) |
| Upper Montclair to Oyten | 3,786.44 mi (6,093.69 km) |
| Upper Montclair to Paderborn | 3,813.29 mi (6,136.90 km) |
| Upper Montclair to Papenburg | 3,724.31 mi (5,993.70 km) |
| Upper Montclair to Parchim | 3,882.86 mi (6,248.85 km) |
| Upper Montclair to Pasewalk | 3,960.90 mi (6,374.45 km) |
| Upper Montclair to Passau | 4,096.21 mi (6,592.22 km) |
| Upper Montclair to Pattensen | 3,837.22 mi (6,175.40 km) |
| Upper Montclair to Pegnitz | 3,981.53 mi (6,407.66 km) |
| Upper Montclair to Peine | 3,853.68 mi (6,201.90 km) |
