| Greenock to Norton Shores (Michigan) | 3,534.34 mi (5,687.97 km) |
| Greenock to Norwalk (California) | 5,102.10 mi (8,211.04 km) |
| Greenock to Norwalk (Connecticut) | 3,157.89 mi (5,082.13 km) |
| Greenock to Norwalk (Iowa) | 3,880.84 mi (6,245.60 km) |
| Greenock to Norwalk (Ohio) | 3,495.29 mi (5,625.13 km) |
| Greenock to Norwich (Connecticut) | 3,086.78 mi (4,967.69 km) |
| Greenock to Norwood (Ohio) | 3,666.30 mi (5,900.33 km) |
| Greenock to Novato (California) | 4,988.58 mi (8,028.35 km) |
| Greenock to Novi (Michigan) | 3,467.62 mi (5,580.60 km) |
| Greenock to O'Fallon (Illinois) | 3,894.52 mi (6,267.62 km) |
| Greenock to O'Fallon (Missouri) | 3,913.86 mi (6,298.75 km) |
| Greenock to Oak Creek (Wisconsin) | 3,607.02 mi (5,804.93 km) |
| Greenock to Oak Forest (Illinois) | 3,664.67 mi (5,897.71 km) |
| Greenock to Oak Grove (Oregon) | 4,561.72 mi (7,341.39 km) |
| Greenock to Oak Grove (South Carolina) | 3,805.92 mi (6,125.04 km) |
