| Wallingford to Odessa (Texas) | 4,965.35 mi (7,990.96 km) |
| Wallingford to Ogden (Utah) | 4,801.74 mi (7,727.65 km) |
| Wallingford to Oildale (California) | 5,350.77 mi (8,611.23 km) |
| Wallingford to Ojus (Florida) | 4,373.99 mi (7,039.25 km) |
| Wallingford to Okemos (Michigan) | 3,745.31 mi (6,027.49 km) |
| Wallingford to Oklahoma City (Oklahoma) | 4,596.07 mi (7,396.65 km) |
| Wallingford to Okmulgee (Oklahoma) | 4,531.35 mi (7,292.50 km) |
| Wallingford to Olathe (Kansas) | 4,322.63 mi (6,956.60 km) |
| Wallingford to Old Jamestown (Missouri) | 4,152.11 mi (6,682.18 km) |
| Wallingford to Oldsmar (Florida) | 4,374.43 mi (7,039.97 km) |
| Wallingford to Olean (New York) | 3,538.03 mi (5,693.90 km) |
| Wallingford to Olive Branch (Mississippi) | 4,324.26 mi (6,959.22 km) |
| Wallingford to Olivehurst (California) | 5,218.92 mi (8,399.05 km) |
| Wallingford to Olney (Maryland) | 3,612.61 mi (5,813.93 km) |
| Wallingford to Olympia (Washington) | 4,800.07 mi (7,724.97 km) |
