| Pirot to Orangevale (California) | 6,345.28 mi (10,211.74 km) |
| Pirot to Orchards (Washington) | 5,935.71 mi (9,552.61 km) |
| Pirot to Orcutt (California) | 6,563.52 mi (10,562.97 km) |
| Pirot to Oregon (Ohio) | 4,995.00 mi (8,038.67 km) |
| Pirot to Oregon (Wisconsin) | 5,152.96 mi (8,292.89 km) |
| Pirot to Oregon City (Oregon) | 5,958.76 mi (9,589.69 km) |
| Pirot to Orem (Utah) | 6,005.14 mi (9,664.33 km) |
| Pirot to Orinda (California) | 6,417.89 mi (10,328.59 km) |
| Pirot to Orland Park (Illinois) | 5,162.44 mi (8,308.14 km) |
| Pirot to Orlando (Florida) | 5,534.83 mi (8,907.44 km) |
| Pirot to Ormond Beach (Florida) | 5,485.19 mi (8,827.55 km) |
| Pirot to Oro Valley (Arizona) | 6,446.99 mi (10,375.42 km) |
| Pirot to Oroville (California) | 6,302.50 mi (10,142.90 km) |
| Pirot to Oshkosh (Wisconsin) | 5,069.97 mi (8,159.34 km) |
| Pirot to Oskaloosa (Iowa) | 5,349.54 mi (8,609.25 km) |
