| Pont-y-pwl to Olympia Heights (Florida) | 4,310.95 mi (6,937.81 km) |
| Pont-y-pwl to Omaha (Nebraska) | 4,177.01 mi (6,722.24 km) |
| Pont-y-pwl to On Top of the World Designated Place (Florida) | 4,223.83 mi (6,797.60 km) |
| Pont-y-pwl to Onalaska (Wisconsin) | 3,873.19 mi (6,233.29 km) |
| Pont-y-pwl to Oneida (New York) | 3,305.34 mi (5,319.44 km) |
| Pont-y-pwl to Oneonta (New York) | 3,307.27 mi (5,322.53 km) |
| Pont-y-pwl to Ontario (California) | 5,316.70 mi (8,556.41 km) |
| Pont-y-pwl to Ontario (Oregon) | 4,740.78 mi (7,629.55 km) |
| Pont-y-pwl to Opa-locka (Florida) | 4,298.53 mi (6,917.81 km) |
| Pont-y-pwl to Opelika (Alabama) | 4,176.97 mi (6,722.19 km) |
| Pont-y-pwl to Opelousas (Louisiana) | 4,556.60 mi (7,333.15 km) |
| Pont-y-pwl to Orange (California) | 5,337.12 mi (8,589.27 km) |
| Pont-y-pwl to Orange (Texas) | 4,644.75 mi (7,475.00 km) |
| Pont-y-pwl to Orange City (Florida) | 4,190.35 mi (6,743.71 km) |
| Pont-y-pwl to Orangeburg (South Carolina) | 3,950.42 mi (6,357.59 km) |
