| Guaynabo to Orangevale (California) | 3,566.69 mi (5,740.03 km) |
| Guaynabo to Orchards (Washington) | 3,708.67 mi (5,968.53 km) |
| Guaynabo to Orcutt (California) | 3,497.09 mi (5,628.02 km) |
| Guaynabo to Oregon (Ohio) | 1,904.33 mi (3,064.73 km) |
| Guaynabo to Oregon (Wisconsin) | 2,172.93 mi (3,497.00 km) |
| Guaynabo to Oregon City (Oregon) | 3,707.05 mi (5,965.92 km) |
| Guaynabo to Orem (Utah) | 3,090.20 mi (4,973.20 km) |
| Guaynabo to Orinda (California) | 3,612.34 mi (5,813.50 km) |
| Guaynabo to Orland Park (Illinois) | 2,053.43 mi (3,304.67 km) |
| Guaynabo to Orlando (Florida) | 1,188.79 mi (1,913.17 km) |
| Guaynabo to Ormond Beach (Florida) | 1,208.65 mi (1,945.13 km) |
| Guaynabo to Oro Valley (Arizona) | 2,938.89 mi (4,729.69 km) |
| Guaynabo to Oroville (California) | 3,591.77 mi (5,780.40 km) |
| Guaynabo to Oshkosh (Wisconsin) | 2,197.66 mi (3,536.80 km) |
| Guaynabo to Oskaloosa (Iowa) | 2,225.78 mi (3,582.05 km) |
