| Rome to Orangevale (California) | 6,155.32 mi (9,906.03 km) |
| Rome to Orchards (Washington) | 5,781.93 mi (9,305.12 km) |
| Rome to Orcutt (California) | 6,353.16 mi (10,224.42 km) |
| Rome to Oregon (Ohio) | 4,647.55 mi (7,479.52 km) |
| Rome to Oregon (Wisconsin) | 4,833.98 mi (7,779.53 km) |
| Rome to Oregon City (Oregon) | 5,803.87 mi (9,340.43 km) |
| Rome to Orem (Utah) | 5,770.49 mi (9,286.71 km) |
| Rome to Orinda (California) | 6,230.22 mi (10,026.57 km) |
| Rome to Orland Park (Illinois) | 4,830.50 mi (7,773.94 km) |
| Rome to Orlando (Florida) | 5,116.37 mi (8,234.00 km) |
| Rome to Ormond Beach (Florida) | 5,069.40 mi (8,158.42 km) |
| Rome to Oro Valley (Arizona) | 6,172.67 mi (9,933.95 km) |
| Rome to Oroville (California) | 6,117.85 mi (9,845.72 km) |
| Rome to Oshkosh (Wisconsin) | 4,754.15 mi (7,651.06 km) |
| Rome to Oskaloosa (Iowa) | 5,034.07 mi (8,101.55 km) |
