| Monroe to Norwich | 4,601.69 mi (7,405.71 km) |
| Monroe to Nottingham | 4,498.84 mi (7,240.18 km) |
| Monroe to Nuneaton | 4,497.44 mi (7,237.92 km) |
| Monroe to Oadby | 4,510.78 mi (7,259.40 km) |
| Monroe to Oakengates | 4,454.69 mi (7,169.13 km) |
| Monroe to Oakham | 4,522.26 mi (7,277.88 km) |
| Monroe to Oldbury | 4,476.45 mi (7,204.14 km) |
| Monroe to Oldham | 4,446.81 mi (7,156.44 km) |
| Monroe to Ollerton | 4,497.57 mi (7,238.13 km) |
| Monroe to Olton | 4,486.37 mi (7,220.12 km) |
| Monroe to Omagh | 4,225.03 mi (6,799.53 km) |
| Monroe to Ormesby | 4,457.58 mi (7,173.79 km) |
| Monroe to Ormskirk | 4,416.66 mi (7,107.93 km) |
| Monroe to Orpington | 4,589.36 mi (7,385.87 km) |
| Monroe to Ossett | 4,464.03 mi (7,184.16 km) |
