| Alpena to Norton Shores (Michigan) | 192.07 mi (309.11 km) |
| Alpena to Norwalk (California) | 1,982.88 mi (3,191.13 km) |
| Alpena to Norwalk (Connecticut) | 574.19 mi (924.06 km) |
| Alpena to Norwalk (Iowa) | 571.45 mi (919.66 km) |
| Alpena to Norwalk (Ohio) | 267.90 mi (431.14 km) |
| Alpena to Norwich (Connecticut) | 619.79 mi (997.46 km) |
| Alpena to Norwood (Ohio) | 411.86 mi (662.83 km) |
| Alpena to Novato (California) | 2,057.05 mi (3,310.50 km) |
| Alpena to Novi (Michigan) | 179.34 mi (288.62 km) |
| Alpena to O'Fallon (Illinois) | 557.57 mi (897.32 km) |
| Alpena to O'Fallon (Missouri) | 572.87 mi (921.95 km) |
| Alpena to Oak Creek (Wisconsin) | 268.57 mi (432.22 km) |
| Alpena to Oak Forest (Illinois) | 323.01 mi (519.83 km) |
| Alpena to Oak Grove (Oregon) | 1,887.72 mi (3,037.99 km) |
| Alpena to Oak Grove (South Carolina) | 776.25 mi (1,249.25 km) |
