| Heswall to Orangevale (California) | 5,088.22 mi (8,188.70 km) |
| Heswall to Orchards (Washington) | 4,722.59 mi (7,600.27 km) |
| Heswall to Orcutt (California) | 5,284.90 mi (8,505.22 km) |
| Heswall to Oregon (Ohio) | 3,631.22 mi (5,843.88 km) |
| Heswall to Oregon (Wisconsin) | 3,795.48 mi (6,108.23 km) |
| Heswall to Oregon City (Oregon) | 4,744.15 mi (7,634.98 km) |
| Heswall to Orem (Utah) | 4,703.24 mi (7,569.14 km) |
| Heswall to Orinda (California) | 5,163.31 mi (8,309.54 km) |
| Heswall to Orland Park (Illinois) | 3,801.21 mi (6,117.46 km) |
| Heswall to Orlando (Florida) | 4,193.67 mi (6,749.05 km) |
| Heswall to Ormond Beach (Florida) | 4,142.10 mi (6,666.06 km) |
| Heswall to Oro Valley (Arizona) | 5,114.50 mi (8,230.99 km) |
| Heswall to Oroville (California) | 5,051.42 mi (8,129.47 km) |
| Heswall to Oshkosh (Wisconsin) | 3,713.50 mi (5,976.31 km) |
| Heswall to Oskaloosa (Iowa) | 3,993.60 mi (6,427.07 km) |
