| Sunnyside to Olympia (Washington) | 145.89 mi (234.78 km) |
| Sunnyside to Olympia Heights (Florida) | 2,594.26 mi (4,175.06 km) |
| Sunnyside to Omaha (Nebraska) | 1,239.25 mi (1,994.39 km) |
| Sunnyside to On Top of the World Designated Place (Florida) | 2,348.63 mi (3,779.76 km) |
| Sunnyside to Onalaska (Wisconsin) | 1,406.58 mi (2,263.68 km) |
| Sunnyside to Oneida (New York) | 2,160.77 mi (3,477.43 km) |
| Sunnyside to Oneonta (New York) | 2,204.93 mi (3,548.50 km) |
| Sunnyside to Ontario (California) | 857.51 mi (1,380.03 km) |
| Sunnyside to Ontario (Oregon) | 216.33 mi (348.14 km) |
| Sunnyside to Opa-locka (Florida) | 2,589.66 mi (4,167.66 km) |
| Sunnyside to Opelika (Alabama) | 2,051.29 mi (3,301.23 km) |
| Sunnyside to Opelousas (Louisiana) | 1,848.14 mi (2,974.30 km) |
| Sunnyside to Orange (California) | 872.07 mi (1,403.47 km) |
| Sunnyside to Orange (Texas) | 1,796.91 mi (2,891.84 km) |
| Sunnyside to Orange City (Florida) | 2,402.01 mi (3,865.66 km) |
