| Vandalia to Odenton (Maryland) | 403.77 mi (649.81 km) |
| Vandalia to Odessa (Texas) | 1,153.60 mi (1,856.54 km) |
| Vandalia to Ogden (Utah) | 1,454.89 mi (2,341.41 km) |
| Vandalia to Oildale (California) | 1,917.95 mi (3,086.64 km) |
| Vandalia to Ojus (Florida) | 989.68 mi (1,592.74 km) |
| Vandalia to Okemos (Michigan) | 195.63 mi (314.84 km) |
| Vandalia to Oklahoma City (Oklahoma) | 788.64 mi (1,269.20 km) |
| Vandalia to Okmulgee (Oklahoma) | 708.77 mi (1,140.66 km) |
| Vandalia to Olathe (Kansas) | 571.34 mi (919.49 km) |
| Vandalia to Old Jamestown (Missouri) | 333.19 mi (536.22 km) |
| Vandalia to Oldsmar (Florida) | 821.88 mi (1,322.69 km) |
| Vandalia to Olean (New York) | 336.74 mi (541.93 km) |
| Vandalia to Olive Branch (Mississippi) | 459.93 mi (740.18 km) |
| Vandalia to Olivehurst (California) | 1,978.71 mi (3,184.43 km) |
| Vandalia to Olney (Maryland) | 382.86 mi (616.15 km) |
