| Norrkoping to Olympia Heights (Florida) | 4,941.35 mi (7,952.34 km) |
| Norrkoping to Omaha (Nebraska) | 4,525.95 mi (7,283.81 km) |
| Norrkoping to On Top of the World Designated Place (Florida) | 4,811.28 mi (7,743.01 km) |
| Norrkoping to Onalaska (Wisconsin) | 4,239.16 mi (6,822.27 km) |
| Norrkoping to Oneida (New York) | 3,814.54 mi (6,138.91 km) |
| Norrkoping to Oneonta (New York) | 3,828.65 mi (6,161.62 km) |
| Norrkoping to Ontario (California) | 5,506.24 mi (8,861.43 km) |
| Norrkoping to Ontario (Oregon) | 4,858.19 mi (7,818.50 km) |
| Norrkoping to Opa-locka (Florida) | 4,928.34 mi (7,931.40 km) |
| Norrkoping to Opelika (Alabama) | 4,706.86 mi (7,574.96 km) |
| Norrkoping to Opelousas (Louisiana) | 5,042.25 mi (8,114.71 km) |
| Norrkoping to Orange (California) | 5,525.99 mi (8,893.22 km) |
| Norrkoping to Orange (Texas) | 5,117.52 mi (8,235.86 km) |
| Norrkoping to Orange City (Florida) | 4,787.90 mi (7,705.38 km) |
| Norrkoping to Orangeburg (South Carolina) | 4,513.13 mi (7,263.18 km) |
