| Altoona to Norton Shores (Michigan) | 443.58 mi (713.88 km) |
| Altoona to Norwalk (California) | 2,211.48 mi (3,559.03 km) |
| Altoona to Norwalk (Connecticut) | 263.69 mi (424.37 km) |
| Altoona to Norwalk (Iowa) | 799.18 mi (1,286.15 km) |
| Altoona to Norwalk (Ohio) | 225.63 mi (363.11 km) |
| Altoona to Norwich (Connecticut) | 336.71 mi (541.89 km) |
| Altoona to Norwood (Ohio) | 334.29 mi (537.99 km) |
| Altoona to Novato (California) | 2,342.14 mi (3,769.31 km) |
| Altoona to Novi (Michigan) | 296.39 mi (476.99 km) |
| Altoona to O'Fallon (Illinois) | 626.95 mi (1,008.98 km) |
| Altoona to O'Fallon (Missouri) | 665.42 mi (1,070.89 km) |
| Altoona to Oak Creek (Wisconsin) | 516.47 mi (831.17 km) |
| Altoona to Oak Forest (Illinois) | 492.85 mi (793.17 km) |
| Altoona to Oak Grove (Oregon) | 2,233.47 mi (3,594.42 km) |
| Altoona to Oak Grove (South Carolina) | 475.73 mi (765.62 km) |
