| Trondheim to Odessa (Texas) | 4,905.68 mi (7,894.93 km) |
| Trondheim to Ogden (Utah) | 4,548.68 mi (7,320.39 km) |
| Trondheim to Oildale (California) | 5,065.96 mi (8,152.88 km) |
| Trondheim to Ojus (Florida) | 4,642.83 mi (7,471.91 km) |
| Trondheim to Okemos (Michigan) | 3,773.57 mi (6,072.98 km) |
| Trondheim to Oklahoma City (Oklahoma) | 4,559.23 mi (7,337.38 km) |
| Trondheim to Okmulgee (Oklahoma) | 4,510.59 mi (7,259.09 km) |
| Trondheim to Olathe (Kansas) | 4,281.10 mi (6,889.77 km) |
| Trondheim to Old Jamestown (Missouri) | 4,162.26 mi (6,698.52 km) |
| Trondheim to Oldsmar (Florida) | 4,591.50 mi (7,389.30 km) |
| Trondheim to Olean (New York) | 3,640.08 mi (5,858.15 km) |
| Trondheim to Olive Branch (Mississippi) | 4,382.41 mi (7,052.80 km) |
| Trondheim to Olivehurst (California) | 4,879.89 mi (7,853.43 km) |
| Trondheim to Olney (Maryland) | 3,769.12 mi (6,065.82 km) |
| Trondheim to Olympia (Washington) | 4,390.29 mi (7,065.49 km) |
