| Totteridge to Orangevale (California) | 5,257.13 mi (8,460.53 km) |
| Totteridge to Orchards (Washington) | 4,890.49 mi (7,870.48 km) |
| Totteridge to Orcutt (California) | 5,453.82 mi (8,777.08 km) |
| Totteridge to Oregon (Ohio) | 3,789.58 mi (6,098.74 km) |
| Totteridge to Oregon (Wisconsin) | 3,958.19 mi (6,370.09 km) |
| Totteridge to Oregon City (Oregon) | 4,912.11 mi (7,905.28 km) |
| Totteridge to Orem (Utah) | 4,871.84 mi (7,840.47 km) |
| Totteridge to Orinda (California) | 5,332.20 mi (8,581.34 km) |
| Totteridge to Orland Park (Illinois) | 3,962.16 mi (6,376.48 km) |
| Totteridge to Orlando (Florida) | 4,335.43 mi (6,977.20 km) |
| Totteridge to Ormond Beach (Florida) | 4,284.60 mi (6,895.40 km) |
| Totteridge to Oro Valley (Arizona) | 5,281.26 mi (8,499.37 km) |
| Totteridge to Oroville (California) | 5,220.25 mi (8,401.19 km) |
| Totteridge to Oshkosh (Wisconsin) | 3,876.60 mi (6,238.79 km) |
| Totteridge to Oskaloosa (Iowa) | 4,156.76 mi (6,689.67 km) |
