| Prospect Heights to Norton (Ohio) | 332.97 mi (535.86 km) |
| Prospect Heights to Norton Shores (Michigan) | 112.22 mi (180.60 km) |
| Prospect Heights to Norwalk (California) | 1,726.04 mi (2,777.79 km) |
| Prospect Heights to Norwalk (Connecticut) | 751.55 mi (1,209.50 km) |
| Prospect Heights to Norwalk (Iowa) | 299.89 mi (482.63 km) |
| Prospect Heights to Norwalk (Ohio) | 280.75 mi (451.82 km) |
| Prospect Heights to Norwich (Connecticut) | 815.19 mi (1,311.92 km) |
| Prospect Heights to Norwood (Ohio) | 272.94 mi (439.26 km) |
| Prospect Heights to Novato (California) | 1,838.38 mi (2,958.59 km) |
| Prospect Heights to Novi (Michigan) | 228.24 mi (367.32 km) |
| Prospect Heights to O'Fallon (Illinois) | 263.90 mi (424.71 km) |
| Prospect Heights to O'Fallon (Missouri) | 272.21 mi (438.08 km) |
| Prospect Heights to Oak Creek (Wisconsin) | 53.66 mi (86.36 km) |
| Prospect Heights to Oak Forest (Illinois) | 35.59 mi (57.27 km) |
| Prospect Heights to Oak Grove (Oregon) | 1,733.40 mi (2,789.63 km) |
