| Kouvola to Olympia Heights (Florida) | 5,215.69 mi (8,393.84 km) |
| Kouvola to Omaha (Nebraska) | 4,683.49 mi (7,537.35 km) |
| Kouvola to On Top of the World Designated Place (Florida) | 5,068.19 mi (8,156.46 km) |
| Kouvola to Onalaska (Wisconsin) | 4,408.96 mi (7,095.54 km) |
| Kouvola to Oneida (New York) | 4,051.56 mi (6,520.36 km) |
| Kouvola to Oneonta (New York) | 4,070.43 mi (6,550.73 km) |
| Kouvola to Ontario (California) | 5,577.01 mi (8,975.33 km) |
| Kouvola to Ontario (Oregon) | 4,907.85 mi (7,898.43 km) |
| Kouvola to Opa-locka (Florida) | 5,202.54 mi (8,372.68 km) |
| Kouvola to Opelika (Alabama) | 4,940.05 mi (7,950.23 km) |
| Kouvola to Opelousas (Louisiana) | 5,251.86 mi (8,452.05 km) |
| Kouvola to Orange (California) | 5,596.14 mi (9,006.12 km) |
| Kouvola to Orange (Texas) | 5,320.48 mi (8,562.49 km) |
| Kouvola to Orange City (Florida) | 5,049.45 mi (8,126.30 km) |
| Kouvola to Orangeburg (South Carolina) | 4,762.80 mi (7,664.98 km) |
