| Greenford to Norton Shores (Michigan) | 3,827.04 mi (6,159.02 km) |
| Greenford to Norwalk (California) | 5,435.49 mi (8,747.58 km) |
| Greenford to Norwalk (Connecticut) | 3,410.50 mi (5,488.68 km) |
| Greenford to Norwalk (Iowa) | 4,184.30 mi (6,733.98 km) |
| Greenford to Norwalk (Ohio) | 3,773.07 mi (6,072.17 km) |
| Greenford to Norwich (Connecticut) | 3,337.49 mi (5,371.18 km) |
| Greenford to Norwood (Ohio) | 3,941.51 mi (6,343.25 km) |
| Greenford to Novato (California) | 5,331.98 mi (8,580.99 km) |
| Greenford to Novi (Michigan) | 3,751.84 mi (6,038.01 km) |
| Greenford to O'Fallon (Illinois) | 4,181.57 mi (6,729.58 km) |
| Greenford to O'Fallon (Missouri) | 4,203.37 mi (6,764.67 km) |
| Greenford to Oak Creek (Wisconsin) | 3,902.37 mi (6,280.26 km) |
| Greenford to Oak Forest (Illinois) | 3,955.78 mi (6,366.21 km) |
| Greenford to Oak Grove (Oregon) | 4,910.68 mi (7,902.98 km) |
| Greenford to Oak Grove (South Carolina) | 4,053.27 mi (6,523.12 km) |
