| Halstenbek to Orangevale (California) | 5,423.94 mi (8,728.98 km) |
| Halstenbek to Orchards (Washington) | 5,024.36 mi (8,085.92 km) |
| Halstenbek to Orcutt (California) | 5,638.49 mi (9,074.28 km) |
| Halstenbek to Oregon (Ohio) | 4,100.18 mi (6,598.59 km) |
| Halstenbek to Oregon (Wisconsin) | 4,241.89 mi (6,826.67 km) |
| Halstenbek to Oregon City (Oregon) | 5,047.05 mi (8,122.44 km) |
| Halstenbek to Orem (Utah) | 5,077.34 mi (8,171.19 km) |
| Halstenbek to Orinda (California) | 5,497.18 mi (8,846.86 km) |
| Halstenbek to Orland Park (Illinois) | 4,257.60 mi (6,851.94 km) |
| Halstenbek to Orlando (Florida) | 4,704.07 mi (7,570.46 km) |
| Halstenbek to Ormond Beach (Florida) | 4,651.37 mi (7,485.66 km) |
| Halstenbek to Oro Valley (Arizona) | 5,520.75 mi (8,884.78 km) |
| Halstenbek to Oroville (California) | 5,382.37 mi (8,662.09 km) |
| Halstenbek to Oshkosh (Wisconsin) | 4,157.85 mi (6,691.41 km) |
| Halstenbek to Oskaloosa (Iowa) | 4,436.28 mi (7,139.50 km) |
