| New Carrollton to Norwich | 3,688.17 mi (5,935.54 km) |
| New Carrollton to Nottingham | 3,584.11 mi (5,768.06 km) |
| New Carrollton to Nuneaton | 3,579.93 mi (5,761.35 km) |
| New Carrollton to Oadby | 3,594.16 mi (5,784.23 km) |
| New Carrollton to Oakengates | 3,537.01 mi (5,692.27 km) |
| New Carrollton to Oakham | 3,606.45 mi (5,804.01 km) |
| New Carrollton to Oldbury | 3,558.22 mi (5,726.39 km) |
| New Carrollton to Oldham | 3,534.36 mi (5,688.00 km) |
| New Carrollton to Ollerton | 3,584.40 mi (5,768.53 km) |
| New Carrollton to Olton | 3,568.02 mi (5,742.17 km) |
| New Carrollton to Omagh | 3,313.65 mi (5,332.80 km) |
| New Carrollton to Ormesby | 3,552.34 mi (5,716.94 km) |
| New Carrollton to Ormskirk | 3,503.47 mi (5,638.30 km) |
| New Carrollton to Orpington | 3,667.65 mi (5,902.51 km) |
| New Carrollton to Ossett | 3,553.01 mi (5,718.01 km) |
