| Mechernich to Orangevale (California) | 5,506.45 mi (8,861.77 km) |
| Mechernich to Orchards (Washington) | 5,124.52 mi (8,247.12 km) |
| Mechernich to Orcutt (California) | 5,710.91 mi (9,190.82 km) |
| Mechernich to Oregon (Ohio) | 4,086.43 mi (6,576.48 km) |
| Mechernich to Oregon (Wisconsin) | 4,248.30 mi (6,836.98 km) |
| Mechernich to Oregon City (Oregon) | 5,146.67 mi (8,282.77 km) |
| Mechernich to Orem (Utah) | 5,136.50 mi (8,266.41 km) |
| Mechernich to Orinda (California) | 5,580.83 mi (8,981.48 km) |
| Mechernich to Orland Park (Illinois) | 4,255.45 mi (6,848.49 km) |
| Mechernich to Orlando (Florida) | 4,640.79 mi (7,468.64 km) |
| Mechernich to Ormond Beach (Florida) | 4,589.90 mi (7,386.72 km) |
| Mechernich to Oro Valley (Arizona) | 5,558.85 mi (8,946.11 km) |
| Mechernich to Oroville (California) | 5,467.49 mi (8,799.07 km) |
| Mechernich to Oshkosh (Wisconsin) | 4,165.93 mi (6,704.41 km) |
| Mechernich to Oskaloosa (Iowa) | 4,445.88 mi (7,154.95 km) |
