| Trapani to Odessa (Texas) | 6,043.98 mi (9,726.85 km) |
| Trapani to Ogden (Utah) | 5,939.26 mi (9,558.32 km) |
| Trapani to Oildale (California) | 6,490.62 mi (10,445.64 km) |
| Trapani to Ojus (Florida) | 5,273.18 mi (8,486.36 km) |
| Trapani to Okemos (Michigan) | 4,811.78 mi (7,743.81 km) |
| Trapani to Oklahoma City (Oklahoma) | 5,671.86 mi (9,127.98 km) |
| Trapani to Okmulgee (Oklahoma) | 5,601.54 mi (9,014.80 km) |
| Trapani to Olathe (Kansas) | 5,405.52 mi (8,699.34 km) |
| Trapani to Old Jamestown (Missouri) | 5,216.84 mi (8,395.69 km) |
| Trapani to Oldsmar (Florida) | 5,312.68 mi (8,549.93 km) |
| Trapani to Olean (New York) | 4,575.87 mi (7,364.15 km) |
| Trapani to Olive Branch (Mississippi) | 5,361.79 mi (8,628.97 km) |
| Trapani to Olivehurst (California) | 6,365.36 mi (10,244.05 km) |
| Trapani to Olney (Maryland) | 4,618.49 mi (7,432.74 km) |
| Trapani to Olympia (Washington) | 5,947.38 mi (9,571.38 km) |
