| Barntrup to Odessa (Texas) | 5,321.05 mi (8,563.41 km) |
| Barntrup to Ogden (Utah) | 5,094.66 mi (8,199.06 km) |
| Barntrup to Oildale (California) | 5,635.47 mi (9,069.42 km) |
| Barntrup to Ojus (Florida) | 4,795.23 mi (7,717.17 km) |
| Barntrup to Okemos (Michigan) | 4,115.99 mi (6,624.04 km) |
| Barntrup to Oklahoma City (Oklahoma) | 4,955.74 mi (7,975.49 km) |
| Barntrup to Okmulgee (Oklahoma) | 4,894.89 mi (7,877.57 km) |
| Barntrup to Olathe (Kansas) | 4,679.23 mi (7,530.50 km) |
| Barntrup to Old Jamestown (Missouri) | 4,521.16 mi (7,276.11 km) |
| Barntrup to Oldsmar (Florida) | 4,787.92 mi (7,705.42 km) |
| Barntrup to Olean (New York) | 3,924.58 mi (6,316.00 km) |
| Barntrup to Olive Branch (Mississippi) | 4,706.07 mi (7,573.68 km) |
| Barntrup to Olivehurst (California) | 5,481.60 mi (8,821.78 km) |
| Barntrup to Olney (Maryland) | 4,011.17 mi (6,455.35 km) |
| Barntrup to Olympia (Washington) | 5,030.18 mi (8,095.29 km) |
