| Totteridge to Odessa (Texas) | 4,998.80 mi (8,044.80 km) |
| Totteridge to Ogden (Utah) | 4,829.72 mi (7,772.68 km) |
| Totteridge to Oildale (California) | 5,378.19 mi (8,655.36 km) |
| Totteridge to Ojus (Florida) | 4,412.75 mi (7,101.64 km) |
| Totteridge to Okemos (Michigan) | 3,779.82 mi (6,083.04 km) |
| Totteridge to Oklahoma City (Oklahoma) | 4,629.79 mi (7,450.93 km) |
| Totteridge to Okmulgee (Oklahoma) | 4,565.39 mi (7,347.29 km) |
| Totteridge to Olathe (Kansas) | 4,356.04 mi (7,010.37 km) |
| Totteridge to Old Jamestown (Missouri) | 4,186.57 mi (6,737.63 km) |
| Totteridge to Oldsmar (Florida) | 4,412.61 mi (7,101.41 km) |
| Totteridge to Olean (New York) | 3,573.88 mi (5,751.61 km) |
| Totteridge to Olive Branch (Mississippi) | 4,359.83 mi (7,016.47 km) |
| Totteridge to Olivehurst (California) | 5,244.37 mi (8,440.00 km) |
| Totteridge to Olney (Maryland) | 3,649.50 mi (5,873.30 km) |
| Totteridge to Olympia (Washington) | 4,822.49 mi (7,761.04 km) |
